Bearing NJ 312 ECM (SKF)

Cylindrical roller bearings, single row NJ 312 ECM

Bearing number : NJ 312 ECM

Size (mm) : 60x130x31

Brand : SKF

Bore Diameter (mm) : 60

Outer Diameter (mm) : 130

Width (mm) : 31

Bearing dimensions and specification in SKF catalogue:

d - 60 mm

D - 130 mm

B - 31 mm

d₁ - - 84.3 mm

D₁ - - 108.5 mm

F - 77 mm

r_1,2 - min. - 2.1 mm

r_3,4 - min. - 2.1 mm

s - 2.1 mm

d_a - min. - 72 mm

d_a - max. - 74 mm

d_b - min. - 87 mm

D_a - max. - 118.1 mm

r_a - max. - 2 mm

Basic dynamic load rating - C - 173 kN

Basic static load rating - C₀ - 160 kN

Fatigue load limit - P_u - 21.2 kN

Reference speed - 5600 r/min

Limiting speed - 6700 r/min

Calculation factor - k_r - 0.15

Mass bearing - 2.181 kg

Designation

Bore Dia, mm

Outer Dia, mm: